I mean, is there an API that guarantees high precision (non architecture dependent way)
Thanks!
2021년 5월 2일 (일) 오후 11:54, Greg KH <greg@xxxxxxxxx>님이 작성:
On Sun, May 02, 2021 at 11:10:11PM +0900, Hyeonggon Yoo wrote:
> the 'timer wheel' - which has low resolution works at jiffy resolution.
> so usually it has precision of 1~10ms.
>
> and there's high resolution timers in kernel to have nanosecond resolution,
> but it doesn't seem to have nanosecond precision
>
> is there a way to deal with high precision timers in kernel?
What exactly are you needing here? And do you have hardware that
provides both high precision and high resolution?
thanks,
greg k-h
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